Knife blade



FIG. 1 is a front right bottom perspective view of a knife blade with the handle shown in phantom line and forming no part of the design;

FIG. 2 is a rear top left perspective view of the embodiment of FIG. 1;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is rear elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a knife blade, as shown and described. 